4000 results about "Materials processing" patented technology

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to material treatment equipment and curing equipment. According to the material treatment equipment provided by the embodiment of the invention, the powdery material in the material accommodating device is converted into a partially molten state through the material treatment device, and the partially molten material is converted into the solid material through the pressurizing device, so that the powdery material can undergo conversion of different states in the material accommodating device; therefore, powdery materials are converted into solid materials convenient to transfer and process, the operation of replacing a container is omitted, and material processing procedures are saved. According to the curing equipment provided by the embodiment of the invention, the sealing device is used for sealing the material treatment equipment, so that the state transition process of the powdery material has better sealing performance and stability, and the stable quality of the produced solid material is ensured.

The invention discloses a mold injection molding full-process automation system based on layered cooperative control, which comprises a central control layer, a module scheduling layer and an equipment execution layer, and clock synchronization among the layers is realized through an industrial Ethernet. The central control layer comprises a dynamic scheduling server and a digital twinborn verification module, the module scheduling layer comprises a mold intelligent scheduling module, an injection molding process control module and a product quality closed loop module, and the equipment execution layer comprises a manipulator cooperation unit and a sprue material processing unit. By constructing a three-layer cooperative control architecture of a central control layer, a module scheduling layer and an equipment execution layer and combining a modular hardware carrier and a cross-layer data closed loop, common industrial problems such as cooperative level splitting, mold control marginalization and abnormal response delay are systematically solved; and finally, the comprehensive benefits that the die changing efficiency is remarkably improved, the product reject ratio is greatly reduced, and the energy consumption is obviously reduced are achieved.

The invention discloses an extrusion process multi-parameter dynamic cooperative control method and system based on deep learning, and belongs to the technical field of high polymer material processing control, the extrusion process multi-parameter dynamic cooperative control method and system based on deep learning comprises the following specific steps: 1, data acquisition and preprocessing, the method comprises the following steps: acquiring multi-source time sequence data in an extrusion production process in real time through a sensor system, and preprocessing the data to form a standardized data set; the multi-source time sequence data comprises equipment operation parameters, process physical parameters and environment parameters. According to the method, the control system is endowed with powerful nonlinear time sequence prediction and multi-parameter collaborative decision-making capabilities through deep fusion of deep learning and reinforcement learning technologies, the quality trend can be accurately predicted, a collaborative control instruction can be given prospectively, and the problems of parameter coupling and control lag are effectively solved.

The invention provides a material disposal device and a material processing method, wherein, the material disposal device comprises a first element and a second element which is at least partly taken in by the first element rotatablely correspondingly; a material disposal passage is formed between the first element and the second element; when the first element and the second element are rotated correspondingly, the disposed material in the material disposal passage forms couette flow. The material disposal device also comprises a sealing chamber which is arranged at one end of the material disposal passage so as to seal the material passage. The material disposal device also comprises a first port used for leading a first fluid into the sealing chamber and a second port used for outputting the matter in the sealing chamber. The material disposal device and the material disposal method have good sealing effect and effectively prevent the disposed material from leaking to the external environment.

The application discloses a kind of derived biomass hard carbon material pulverization process, belong to biomass charcoal material processing technical field, first, pulverization process includes the following steps: after drying, the coconut shell derived hard carbon block is carried out primary crushing, while spraying first modifier, obtain the particle size 1~3mm of coarse crushing modified particle;Coarse crushing modified particle is carried out secondary precision crushing under argon atmosphere, while spraying second modifier, obtain the precision crushing modified particle of D 50 Particle size is 15 μm;Precision crushing modified particle is carried out roll grinding spheroidization, while spraying third modifier, obtain the spherical modified particle of D 50 Particle size is 10 μm;Spherical modified particle is carried out flash drying after cooling, then add magnesium stearate to it, after mixing, obtain derived biomass hard carbon material.Then, the application realizes breakthrough in tap density, particle size distribution, first efficiency and other core indexes by the coordination of three-stage gradient modification and progressive pulverization process.

The invention belongs to the technical field of material processing, and discloses a magnesium alloy casting semi-solid injection molding method and application, and the method comprises the following steps: checking and adjusting a semi-solid injection machine, a casting mold and other equipment to be in a normal state, and placing magnesium alloy particles in a designated area of a hopper; putting a long nozzle of the semi-solid injection platform into the center of a mold sprue; setting the temperature of each section of a mold temperature controller, a charging barrel and a nozzle; preserving heat for a period of time after the temperature of the charging barrel reaches a set value, so that the temperature of materials in the charging barrel is uniform; setting the injection rate, the cooling time, the material return distance and the melt pressure of the semi-solid injection machine; and after a release agent is quantitatively sprayed to the mold, a semi-solid injection program is started, and a casting is obtained. The AS41B magnesium alloy particles with good heat resistance are adopted as the raw material, the semi-solid injection molding method is combined, a melting furnace is not needed, only heating to the semi-solid state is needed, the melt temperature is low, energy is saved, the service life of a mold is prolonged, protective gas is not needed, and the manufactured casting is good in mechanical property and high in heat resistance.

The invention relates to the technical field of high polymer material processing, in particular to a blow molding method of a composite toughened film, which comprises the following steps: step 1, preheating matrix resin in preheating equipment; 2, feeding the mixed raw materials into a double-screw extruder for melt blending; 3, feeding the dried composite particles into a hopper of a single-screw blow molding extruder; 4, adjusting the air volume and the air pressure of the cooling system according to the monitoring result; and 5, the formed film pipe is folded into a flat shape through a guide component and led out through a traction roller, the traction speed and the extrusion speed are coordinated to control the traction ratio, corona treatment is conducted on the surface of the thin film to improve the surface energy, then rolling tension is controlled for rolling, and the rolling tension is controlled according to the elasticity and thickness of the thin film to prevent excessive stretching or loosening. The uniform distribution and proper compatibility of the composite toughening component improve the toughness of the film, and maintain the strength and barrier property of the film.

The invention discloses a synchronous temperature control method for co-extrusion molding of a multilayer polymer film, and relates to the technical field of high polymer material processing, and the method comprises the following steps: setting a target temperature interval of each polymer layer of the multilayer polymer film, and according to the melting characteristics, heat sensitivity and interface bonding requirements of each layer of material, setting a target temperature interval of each polymer layer of the multilayer polymer film; respectively determining an extrusion temperature set value and an allowable fluctuation range; through layered independent temperature control and preheating matching, thermal behavior synchronization of multiple polymer melts is achieved, and the interface bonding stability is improved; through a die head heat insulation and buffer structure, interlayer heat interference is effectively shielded, and the integrity of a functional layer is guaranteed; through the intelligent closed-loop temperature control system, the state of each temperature control area is predicted and adjusted in real time, and self-adaptive optimization of thermal control is achieved. And the co-extrusion quality, the consistency and the production intelligent level of the multi-layer film are integrally improved.

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to a solidification method. According to the method, a conveying and jacking device is used for conveying a material containing device to enable the material containing device to receive powdery materials, a clamping and transferring device and a lifting device are used for conveying the material containing device completing feeding into a material processing device to enable the powdery materials to be partially molten, and a pressurizing device is used for pressing and compacting the partially molten materials; and finally, ingot-shaped solid materials are formed in the material containing device, then the lifting device and the clamping and transferring device are utilized again to transfer the material containing device to the conveying and jacking device so as to transfer the ingot-shaped solid materials, in this way, the process from powder feeding to ingot forming of the materials is conducted in the material containing device, the situation that a material container is replaced in the midway is avoided, and the production efficiency is improved. Operation steps are simplified; and the clamping and transferring device, the lifting device and the conveying and jacking device all participate in the front process and the rear process of material treatment, so that reuse of equipment parts is achieved, and the equipment composition is simplified.

The invention belongs to the technical field of research and development of fast neutron reactor jackets and structural materials, and particularly relates to a high-temperature-lead-bismuth-corrosion-resistant high-silicon-content ferrite / martensite steel ladle tube and a preparation method thereof. According to the mass percentage, the composition mainly comprises the following components: 0.16-0.24% of C; 0.4 to 0.8 percent of Mn; cr: 11.6% to 12.4%; 1.2 to 1.8 percent of W; 0.1 to 0.4 percent of Ta; 0.2 to 0.4 percent of V; 1.0%-1.8% of Si and Fe. The preparation method comprises the steps of vacuum induction and vacuum arc remelting. Carrying out homogenization treatment and forging; extruding and annealing; cold rolling and annealing; and performing normalizing and tempering treatment. Through an efficient short-flow process route and reasonable smelting, pipe machining deformation and heat treatment processes, the microscopic structure of the material is remarkably improved, then the mechanical property and high-temperature lead and bismuth corrosion resistance of the finished pipe are improved, and the use requirement of the lead and bismuth cooling fast reactor fuel assembly cladding material under the high-temperature working condition is met.

The invention discloses an intelligent regulation and control method for the crosslinking degree of an EVA (Ethylene Vinyl Acetate) film suitable for a photovoltaic module, and relates to the technical field of material processing. The method comprises the following steps: firstly, determining a parameter space containing a filling temperature interval and a crosslinking temperature interval based on a priori evolution experiment of the EVA film; secondly, constructing a multi-stage cross-linking simulation environment comprising a filling simulation model and a heat preservation cross-linking simulation model in combination with the target lamination scene; combining the parameter space with a simulation environment to carry out iterative lamination simulation optimization, and determining a film crosslinking parameter set containing filling temperature-heat preservation time and crosslinking temperature-heat preservation time; and finally carrying out lamination crosslinking according to the parameter set. According to the method, accurate prediction of the EVA film crosslinking process and intelligent optimization of process parameters are realized in a mode of combining experiments and simulation, the limitation that a traditional method depends on experience for trial and error is overcome, and the quality consistency and the production efficiency of photovoltaic module packaging are effectively improved.

The invention discloses a method for predicting the mechanical property of a dissimilar metal friction stir lap joint welded joint by fusing physical information, and belongs to the technical field of crossing of material processing and artificial intelligence. The method comprises the following steps that firstly, welding samples under different technological parameters are prepared through experiments, and the mechanical properties of the welding samples are tested; meanwhile, establishing a finite element simulation model, and extracting physical field data such as a temperature field and a stress-strain field; fusing the process parameters and the physical field data to serve as input features, taking the measured mechanical property data as output features, and forming a machine learning training data set; a prediction model is trained by adopting algorithms such as a gradient lifting decision tree and limit gradient lifting; and finally, new process parameters and physical field data obtained through finite element simulation are input, and the mechanical property of the joint can be efficiently and precisely predicted through the model. According to the method, the defects that a traditional trial and error method is high in cost and long in period are overcome, and key technical support is provided for optimization and intelligent design of the dissimilar metal friction stir lap welding process.

The invention relates to the technical field of electric digital data processing, in particular to a roof wind resistance intelligent design construction operation and maintenance system and method and electronic equipment. The system comprises a data management platform used for storing roof standard construction data and typical construction cases; the modeling optimization module is used for generating and carrying out iterative optimization on the initial roof model and outputting the optimized roof model; the automatic typesetting module is used for performing plate division on the roof model by utilizing a genetic algorithm and outputting a typesetting result capable of meeting a genetic optimization target; the automatic blanking module is used for generating material processing data based on the production data, the roof standard construction data and the typical construction case; and the operation and maintenance monitoring module is used for monitoring the physical state of the roof panel and the environmental data, predicting the damage risk of the roof panel and generating a corresponding early warning signal. The wind-resistant safety, the design construction efficiency and the full-life-cycle management level of the metal roof of the large public building can be remarkably improved.

The invention discloses a multi-scale simulation method for a thermal compression deformation behavior of TC4 titanium alloy, and belongs to the field of metal material processing simulation. Comprising the following steps: 1, carrying out thermal compression experiments at different temperatures to obtain a deformed sample; 2, analyzing the grain orientation, orientation difference angle and texture evolution of the sample by using an electron back scattering diffraction technology; 3, constructing a crystal plasticity finite element model, and simulating a polycrystalline deformation process; 4, constructing a molecular dynamics model, and simulating phase change and dislocation evolution in thermal compression and cooling processes; and 5, based on a multi-scale simulation result, hot working parameters are optimized, dynamic recrystallization and a beta-to-alpha phase change path are regulated and controlled, and grain refinement and performance homogenization are achieved. The invention discloses a correlation mechanism of the microstructure and the mechanical property in TC4 titanium alloy thermal compression deformation, and provides a theoretical basis for optimization of a thermal processing technology of a high-performance titanium alloy component in the aerospace field.

The embodiment of the invention relates to the field of radioactive waste treatment, in particular to curing equipment. According to the curing equipment provided by the embodiment of the invention, the powdery materials are conveyed into the material containing device through the vacuum feeding device, and the material containing device is transferred to the lifting device through the clamping and transferring device, so that the material containing device is conveyed into the material processing device through the lifting device; the sealing device is used for sealing the material treatment device, so that the material reaction process is carried out in an environment with relatively good sealing performance; the pressurizing device is used for compacting the materials so as to obtain solid materials which are easier to transfer and process compared with powdery materials; the vacuum feeding device, the conveying and jacking device, the clamping and transferring device, the lifting device, the material treatment device and the pressurizing device are fixed to different positions of the body, enough space is provided for all treatment links of materials, the operation sequence of curing treatment is met, the process is simplified, and the treatment efficiency is improved.

The invention discloses a traditional Chinese medicine grinding control system, which relates to the technical field of traditional Chinese medicine grinding control and comprises a medicinal material characteristic sensing module, an intelligent calculation analysis module, a dynamic execution adjustment module, a multi-mode optimization control module and a system coordination updating module. The medicinal material characteristic sensing module collects physical and texture characteristic data of medicinal materials; the intelligent calculation and analysis module fuses the medicinal material processing knowledge base and historical grinding process data to generate initial grinding control parameters; the dynamic execution adjustment module adjusts the operation parameters of the grinding mechanism in combination with the real-time grinding state data; the multi-modal optimization control module monitors the deviation between actual quality parameters and target quality parameters of powder, and a self-adaptive decision algorithm is used for optimizing regulation and control parameters of a grinding area; the system coordination updating module collects whole-process data and performance index evaluation and generates a system optimization instruction, and the instruction corresponding module adjusts the rotating speed and pressure parameters of a grinding area of the vertical grinding machine. According to the system, intelligent and precise control over medicinal material grinding is achieved, and the stability and consistency of the grinding quality are improved.

The utility model relates to the technical field of petroleum drilling equipment, and provides a waste drilling object treatment device which comprises a low-temperature drying machine, the low-temperature drying machine comprises a machine shell, the machine shell is provided with a drying cavity, a rotating part is rotationally arranged in the drying cavity, the rotating part is provided with a plurality of isolation cavities, the number of the isolation cavities is four, and the isolation cavities are arranged circumferentially. The swing part is arranged on the cavity wall of the isolation cavity in a swing mode. By means of the technical scheme, the problem that in the prior art, the waste drilling material treatment product mud separation effect is poor is solved.

The invention relates to a flexible material cutting robot with a leveling function and a cutting method thereof, and belongs to the technical field of flexible material cutting, the flexible material cutting robot comprises a master control layer, a sensing layer, an execution layer and an interaction layer, the master control layer adopts a central control module, the sensing layer adopts a data acquisition unit, the execution layer is a hardware action unit, and the interaction layer adopts a man-machine interface. The central control module is provided with a digital twin engine and a multi-physics field collaborative optimization algorithm library, the data acquisition unit comprises a machine vision system and a material characteristic self-identification unit, and the hardware action unit comprises a multi-stage tension collaborative leveling module, a vacuum adsorption type dynamic cutting platform and a multi-axis linkage cutting head group. According to the invention, through closed-loop control of material characteristic sensing, dynamic leveling, self-adaptive adsorption and energy matching cutting, zero-deformation precise cutting of high-end flexible materials is realized, and the system is particularly suitable for high-value material processing in the fields of aerospace, medical equipment and the like.

The invention discloses a plastic particle mixer for cable material processing, and relates to the related technical field of plastic waste recycling, the plastic particle mixer comprises an arranged mixing box, two groups of feeding hoppers are arranged on the mixing box, the lower parts of the feeding hoppers are communicated with the top of the mixing box through feeding pipelines, and a driving box is mounted on the mixing box; a motor is arranged in the driving box, the output end of the motor is connected with a rotating shaft, the rotating shaft is connected into the mixing box in a penetrating manner, a stirring structure is mounted on the outer side of the rotating shaft, the stirring structure comprises a stirring part and a scraping plate which are mounted on the outer side of the rotating shaft, and a gas conveying assembly is mounted on the outer side of the rotating shaft. According to the plastic particle mixer for cable material processing, the stirring structure rotates in the mixing box to mix particles, input recycled plastic particles are scattered through cooperation of gas, the problem of uneven mixing caused by particle aggregation is avoided, and the overall mixing efficiency is improved.

The invention discloses a processing method of a polybutylene terephthalate bar with laser etching performance, and relates to the technical field of high polymer material processing and surface modification.The processing method comprises the following steps that in the material melting stage, a synchronous observation system of a melt rheological behavior and a temperature field is established, micro-amplitude sine torque disturbance is introduced, and the temperature field is measured; obtaining dynamic response of viscosity and shear rate, and generating a flowing fingerprint baseline; and performing spectrum decomposition on the flow fingerprint baseline, extracting signal components causing pressure pulsation, determining a critical shear rate threshold and time delay thereof, and forming a discrimination condition of an unstable region. According to the method, shear characteristics are extracted through rheological disturbance and thermal field synchronous observation, space mask driving process simulation is constructed, a feedforward adjusting curve is output, density online estimation and phase recognition are introduced, micro-pulse disturbance and temperature fine adjustment are combined, closed-loop control is formed, melt flow is dynamically stabilized, and laser engraving consistency and the product yield are improved.

The invention belongs to the technical field of textile material processing, and particularly discloses a preparation method of high-strength low-shrinkage composite yarn for spinning. A preparation method of a high-strength low-shrinkage composite yarn for spinning comprises the following steps: (1) respectively drying ultra-high molecular weight polyethylene and PET polyester, adding maleic anhydride grafted PE, a treated metal organic framework material, boron carbide nanoparticles, cellulose acetate and a silane coupling agent KH550, uniformly mixing, and carrying out melt extrusion to obtain nascent fibers; (2) performing first-stage pre-drafting, second-stage high-temperature tension field drafting and third-stage low-temperature relaxation treatment on the nascent fiber to obtain treated fiber; and (3) dipping the treated fiber in an ethanol solution containing nano SiO, and performing infrared radiation curing to obtain the high-strength low-shrinkage composite yarn for spinning. The composite yarn has good mechanical strength, wear resistance and low contractibility, and the yarn has wide application due to the high breaking strength.

The application discloses a processing method and device of bamboo, and relates to the field of material processing.The method comprises the following steps: processing round bamboo into bamboo board with a rectangular cross section; visually grading the end face of the bamboo board; establishing a bamboo fiber distribution density model; determining a sectioning position, and sectioning along the radial direction according to the relative value of fiber content distribution; independently grading and cold-pressing the bamboo slices obtained by sectioning; and respectively stacking and storing the bamboo slices with different thicknesses after vacuum drying and roller continuous drying. The bamboo slice sectioning device comprises a vacuum adsorption fixing device, which comprises a fixing device for adsorbing the bamboo board, and a fixing bottom plate, wherein a vacuum suction channel penetrating through the fixing bottom plate is arranged on the fixing bottom plate.The application can process the bamboo according to the fiber distribution along the radial direction of the bamboo wall, and prepare bamboo slices with different fiber contents and the same / different thicknesses, so that the uniform preparation and application of gradient variation bamboo are realized, the difference between units is eliminated, and materials and products with high strength and stable performance are more easily prepared.

The invention discloses a waste copper recycling environment-friendly regeneration device, and relates to the technical field of waste copper recycling, the waste copper recycling environment-friendly regeneration device comprises a driving module, the driving module is installed on the side of a permanent magnet roller, a material processing module is installed outside the permanent magnet roller, an airflow assembly is arranged above the permanent magnet roller, and the airflow assembly comprises an oblique angle baffle and a flat angle baffle; the oblique angle baffle and the flat angle baffle are symmetrically distributed, the end, close to the material processing module, of the oblique angle baffle is obliquely designed, and the oblique end of the oblique angle baffle is perpendicular to the material processing module, so that non-magnetic waste copper is prevented from covering magnetic materials, and the materials can be effectively restrained and guided through directional blowing; according to the magnetic separation device, the materials are kept in a loose and uniform state before entering the magnetic separation track, the magnetic materials are more fully exposed in a magnetic field, magnetic particle leakage caused by accumulation is reduced, the recovery rate of the magnetic materials is improved, and meanwhile, the problem that the conveying speed of the feeding port is not matched with the material supply speed can be solved through airflow.

The invention discloses a method for recycling high-value components of a solder strip in a decommissioned crystalline silicon photovoltaic module, belongs to the field of decommissioned photovoltaic material treatment and resource recycling, and the novel method for recycling the solder strip is efficient and has large-scale application potential. The recovery method comprises the steps that firstly, the surface of the welding strip is cleaned through alkali solution pretreatment, then a lead-tin coating on the surface of the welding strip is oxidized through a method of heat treatment in air, then the welding strip is soaked in an acid solution to remove surface oxides, then recovered solid products are washed with water and dried, and high-value components in the waste welding strip can be obtained. And further purifying and recycling. The method solves the problems of tedious operation method, low efficiency and the like during treatment of a traditional method. And meanwhile, the recovery route has a simple and convenient operation process, has large-scale application potential, and provides a large-scale application technical route and feasibility for recovery of the welding strip in the waste crystalline silicon photovoltaic module.

The application belongs to the technical field of battery negative electrode material processing, and particularly relates to a graphite negative electrode material screening and magnetic removing device. The device comprises a transmission box, a transmission channel and a magnetic removing device. The magnetic removing device comprises a magnetic removing box arranged on the side end of the transmission box, a channel arranged on the side wall of the transmission box, a driving structure arranged on the magnetic removing box, an electromagnetic rod connected with the driving structure and entering / leaving the transmission box through the channel, and a control structure for supplying power to the electromagnetic rod. Through the arrangement of the transmission box, the transmission channel and the magnetic removing device, the magnetic substances in the raw materials in the transmission can be quickly adsorbed, and the adsorbed magnetic substances can be taken away from the transmission position and removed by the operation of the magnetic removing device. The magnetic substances will not fall into the raw materials, so the precision requirement of the magnetic strength of the magnetic removing device is not high, and the device is easy to realize, has the advantages of strong practicability and simple operation.

The utility model relates to the technical field of UTG glass cutting, and discloses a UTG glass raw material production cold section cutting production line, which comprises a transverse cutting conveying mechanism, a transverse cutting mechanism, a transverse cutting mechanism and a transverse cutting mechanism, the longitudinal cutting mechanism is used for longitudinally cutting according to requirements; the splitting mechanism is arranged on the right side of the transverse cutting and conveying mechanism and used for separating the cut UTG glass; the cracked ear material conveying mechanism is arranged on the right side of the splitting mechanism and is used for separating ear materials from the cut glass and conveying finished products away; the transverse cutting conveying mechanism comprises a first rack, and a plurality of first sliding rails are arranged at the top of the first rack at equal intervals. According to the utility model, through the transverse follow-up cutting, the longitudinal high-precision cutting and split piece separation, the dust collection assembly and the automatic variable-width conveying technology, the cutting efficiency and precision are improved, the split piece separation smoothness, the dust treatment capacity and the offcut recovery capacity are optimized, and the problems of low efficiency, poor precision, serious pollution and incomplete offcut treatment in the prior art are solved.

The utility model discloses a stone edge grinding device convenient to adjust, which belongs to the technical field of stone processing and comprises a processing table, and a placing piece for stone processing is arranged on the processing table. The placing piece comprises a placing disc rotationally connected to the machining table, a baffle is inserted into the placing disc, a connecting column with one end penetrating through the machining table is fixedly connected to the lower surface of the placing disc, a worm wheel is fixedly connected to the lower end of the connecting column, and a driving motor is fixedly installed on the lower surface of the machining table. An output shaft of the driving motor is fixedly connected with a worm with one end meshed with the worm gear. According to the stone polishing device, the started top servo motor is matched with the lifting screw rod to conduct lifting adjustment on the polishing wheel, after the polishing wheel is driven by the electric push rod and the driving piece to rotate and conduct horizontal direction adjustment, the polishing wheel can be adjusted in multiple directions, and then the stone is driven to rotate and adjust in cooperation with the containing disc; therefore, the stone machining direction of the grinding wheel can be improved, and the machining effect and the machining efficiency are improved.

The invention belongs to the technical field of titanium alloy material processing, and particularly relates to a preparation method of a titanium alloy bar with high crystal orientation uniformity. Comprising the following steps that S1, one-upsetting and one-drawing cogging is conducted in a single-phase area, and remelting and heat preservation are conducted after forging; s2, one-upsetting and one-drawing forging is carried out on the two-phase region, and after upsetting, temperature compensation and drawing-out are carried out; s3, single-phase region heat preservation, and stage cooling after heat preservation; s4, multi-heating-number two-upsetting and two-drawing forging is conducted on the two-phase region, and reversing drawing-out is conducted after upsetting; s5, upsetting and drawing out the two-phase region; s6, drawing out a two-phase region; and S7, forming a two-phase region. The TC11 titanium alloy bar prepared through the process is good in structure and crystal orientation uniformity and has good mechanical performance after heat treatment, the difference of the mechanical performance of all areas is small, and the TC11 titanium alloy bar can be applied to aerospace high-end parts with strict requirements for the alloy structure and performance.

The invention belongs to the technical field of metal material processing and manufacturing, and particularly relates to a rolling mill working state monitoring method and system, a terminal and a storage medium, the method comprises the following steps: pre-defining state monitoring parameters, and setting a corresponding threshold value for each state monitoring parameter; the state monitoring parameters comprise the duration of the steel plate passing through a roller in the rolling mill, the displacement of the roller in the rolling mill and the temperature of an oil film bearing bush in the rolling mill. According to the method, the working state of the rolling mill can be monitored from multiple dimensions by pre-defining the state monitoring parameters and setting the corresponding threshold values; the monitored state monitoring parameters are stored, learning is carried out according to the comparison result of the state monitoring parameters, and the threshold value corresponding to each state monitoring parameter is updated, so that the threshold values can be automatically adjusted along with the change of the actual operation condition of the rolling mill, different production scenes can be better adapted, the monitoring accuracy and reliability are improved, and the production efficiency is improved. And the phenomena of false alarm and missing alarm are reduced.

The invention discloses a method for improving the thermal stability of a gradient nanocrystalline structure, and belongs to the technical field of metal material processing. According to the method, Mg-RE series alloy is used as a matrix, a matrix alloy ingot is heated for solution treatment, surface strengthening is carried out after water quenching and cooling, a gradient nanocrystalline layer is formed on the surface layer of an alloy sample, finally, the alloy sample is transferred into an aging oven for low-temperature aging, and cooling is carried out, so that the magnesium alloy is obtained. According to the method, the thermal stability of the magnesium alloy gradient nanocrystalline is improved through a synergistic strategy of component design and low-temperature aging, so that the grain growth rate of Mg-RE alloy gradient nanocrystalline structures treated by various different surface strengthening methods in a high-temperature environment can be remarkably reduced; the core bottleneck that a traditional magnesium alloy gradient nanocrystalline material is poor in thermal stability and single in applicable surface treatment method is solved; and the process does not need special equipment, can be seamlessly connected with various existing magnesium alloy surface strengthening production lines, and is low in process cost, simple and convenient to operate and easy to industrially popularize.